Color

#4df950

#4df950
hex#4df950
rgbrgb(77, 249, 80)
hslhsl(121, 93%, 64%)
oklchoklch(0.863 0.251 143.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6991

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f94ef6

#a0f94e · #4ef9a6

#514ef9 · #f9514e

Split-complementary

Open in tool →

#a64ef9 · #f94ea0

#4ea0f9 · #f94ef6 · #f9a64e

Contrast

#4df950 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #058a07 as the text (4.52:1)
  • AAA: use #046705 as the text (7.12:1)
  • AA: or shift the background to #5e5e5e (4.63:1)
  • AAA: or shift the background to #424242 (7.17:1)
Aaon black
14.98:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4df950 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4df950
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4df950 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4df950-a2bea6-9b4edf-1f2d26-edf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md